1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* 18 * java.lang.Throwable 19 */ 20 #include "Dalvik.h" 21 #include "native/InternalNativePriv.h" 22 23 24 /* 25 * private static Object nativeFillInStackTrace() 26 */ 27 static void Dalvik_java_lang_Throwable_nativeFillInStackTrace(const u4* args, 28 JValue* pResult) 29 { 30 Object* stackState = NULL; 31 32 UNUSED_PARAMETER(args); 33 34 stackState = dvmFillInStackTrace(dvmThreadSelf()); 35 RETURN_PTR(stackState); 36 } 37 38 /* 39 * private static StackTraceElement[] nativeGetStackTrace(Object stackState) 40 * 41 * The "stackState" argument must be the value returned by an earlier call to 42 * nativeFillInStackTrace(). 43 */ 44 static void Dalvik_java_lang_Throwable_nativeGetStackTrace(const u4* args, 45 JValue* pResult) 46 { 47 Object* stackState = (Object*) args[0]; 48 ArrayObject* elements = NULL; 49 50 if (stackState == NULL) { 51 ALOGW("getStackTrace() called but no trace available"); 52 RETURN_PTR(NULL); /* could throw NPE; currently caller will do so */ 53 } 54 55 elements = dvmGetStackTrace(stackState); 56 RETURN_PTR(elements); 57 } 58 59 const DalvikNativeMethod dvm_java_lang_Throwable[] = { 60 { "nativeFillInStackTrace", "()Ljava/lang/Object;", 61 Dalvik_java_lang_Throwable_nativeFillInStackTrace }, 62 { "nativeGetStackTrace", "(Ljava/lang/Object;)[Ljava/lang/StackTraceElement;", 63 Dalvik_java_lang_Throwable_nativeGetStackTrace }, 64 { NULL, NULL, NULL }, 65 }; 66
